80655616

素因数分解:

$2^8\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:507

約数の個数: 72

約数和(自身を含む): 174835584

約数和(自身を除く): 94179968

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 43, 64, 68, 86, 128, 136, 172, 256, 272, 344, 431, 544, 688, 731, 862, 1088, 1376, 1462, 1724, 2176, 2752, 2924, 3448, 4352, 5504, 5848, 6896, 7327, 11008, 11696, 13792, 14654, 18533, 23392, 27584, 29308, 37066, 46784, 55168, 58616, 74132, 93568, 110336, 117232, 148264, 187136, 234464, 296528, 315061, 468928, 593056, 630122, 937856, 1186112, 1260244, 1875712, 2372224, 2520488, 4744448, 5040976, 10081952, 20163904, 40327808, 80655616]

約数ペア:

[(1, 80655616), (2, 40327808), (4, 20163904), (8, 10081952), (16, 5040976), (17, 4744448), (32, 2520488), (34, 2372224), (43, 1875712), (64, 1260244), (68, 1186112), (86, 937856), (128, 630122), (136, 593056), (172, 468928), (256, 315061), (272, 296528), (344, 234464), (431, 187136), (544, 148264), (688, 117232), (731, 110336), (862, 93568), (1088, 74132), (1376, 58616), (1462, 55168), (1724, 46784), (2176, 37066), (2752, 29308), (2924, 27584), (3448, 23392), (4352, 18533), (5504, 14654), (5848, 13792), (6896, 11696), (7327, 11008)]